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Jefferson City, Montana 59638 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Jefferson City, Montana 59638. Always follow local warnings and emergency instructions.

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Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Jefferson City, Montana 59638 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Jefferson City, Montana 59638

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

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What’s next

Hourly forecast

Jefferson City, Montana 59638

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Jefferson City, Montana 59638. Forecasts and alerts update from NOAA and the National Weather Service.

82°Sunny14% rain
79°Mostly Clear3% rain
77°Mostly Clear3% rain
74°Mostly Clear0% rain
67°Patchy Smoke0% rain
64°Patchy Smoke0% rain
61°Patchy Smoke0% rain
59°Patchy Smoke0% rain

Next 24 hours

Rain Timeline

Highest chance 14%

No meaningful precipitation is expected in the official hourly forecast.

14%None
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Official NWS outlook

7-Day Forecast

High / low temperatures

Today

83°51°

Sunny

Precipitation
14%
Wind
W 10 mph
Sunrise
6:38 AM
Sunset
8:26 PM

Mon

81°53°

Patchy Smoke

Precipitation
0%
Wind
NW 2 to 6 mph
Sunrise
6:39 AM
Sunset
8:24 PM

Tue

81°56°

Mostly Sunny then Slight Chance Rain Showers

Precipitation
21%
Wind
NE 0 to 5 mph
Sunrise
6:40 AM
Sunset
8:22 PM

Wed

84°56°

Mostly Sunny then Slight Chance Showers And Thunderstorms

Precipitation
35%
Wind
S 5 mph
Sunrise
6:42 AM
Sunset
8:20 PM

Thu

85°55°

Mostly Sunny then Chance Showers And Thunderstorms

Precipitation
33%
Wind
SSW 5 to 8 mph
Sunrise
6:43 AM
Sunset
8:18 PM

Fri

82°54°

Sunny

Precipitation
9%
Wind
SW 3 to 7 mph
Sunrise
6:44 AM
Sunset
8:16 PM

Sat

78°50°

Sunny then Slight Chance Rain Showers

Precipitation
18%
Wind
SW 7 mph
Sunrise
6:45 AM
Sunset
8:15 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel82°F
Good conditions for walking

Conditions look reasonable, but stay alert for quick weather changes.

WindS7 mph
Best walk timeBetter weather window: 8 PM–10 PM

Walking: 0% average rain chance, near 71°F, with winds near 7 mph.

Official EPA AirNowLocal air qualityJefferson City, Montana 59638
View AQI +
More weather details
Wind gusts15mph
Rain now14%next hour
Humidity23%current
UV indexCheckingEPA forecast

Wind impact: Noticeable breeze with generally minor outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gust15 mph
Pressure
Visibility
Peak rain chance14%
Dew point41°F
Active alertsNone

Official risk outlooks

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Official tropical weather

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